27 is the answer, I can explain how I got that if you need.
Answer: $26
Step-by-step explanation:
Let the number of $2 price increases be x.
This means that if the price is 10+2x, 42-2x shoes are sold.
So, the revenue is (10+2x)(42-2x).
To maximize profit, we must maximize revenue.

The maximum is at
, so the price should be 10+2(8)=$26.
Answer:
Not 100% sure but i think its A
Step-by-step explanation:
X - the number of fish
8/11 of the fish have a red stripe.
16 of the fish have a red stripe.

There are
22 fish in the tank.
Answer:
C Is the correct answer
I am not sure please check it out once